Date: Mon, 16 Feb 2004 04:18:39 -0500 (EST) From: matthew <matthew@netway.com> To: Olga Zenkova <siro200@yahoo.com> Cc: freebsd-questions@freebsd.org Subject: Re: spam removal Message-ID: <20040216041531.B95778@admin1.mdc.net> In-Reply-To: <20040216091316.98506.qmail@web9602.mail.yahoo.com> References: <20040216091316.98506.qmail@web9602.mail.yahoo.com>
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On Mon, 16 Feb 2004, Olga Zenkova wrote:
> Hi!
> Some of my FreeBSD users get to much spam daily. What
> tools can anybody advice to stop it? Now I have
> sendmail with access.db, which is already used but I
> think it is not very effective at all. May be other
> mail daemon or some additional tools for sendmail?
>
Try some blacklists with sendmail.
FEATURE(`dnsbl', `sbl.spamhaus.org', `"550 Mail from " $`'&{client_addr} "
refused - see http://www.spamhaus.org/sbl/"')dnl
FEATURE(`dnsbl', `list.dsbl.org', `"550 Mail from " $`'&{client_addr} "
refused - see http://dsbl.org/"')dnl
FEATURE(`dnsbl',`bl.spamcop.net',`"550 Mail from " $`'&{client_addr} "
refused - see http://spamcop.net/"')dnl
FEATURE(`dnsbl', `cbl.abuseat.org',`"550 Mail from " $`'&{client_addr} "
refused - see http://cbl.abuseat.org/'")dnl
FEATURE(`dnsbl', `psbl.surriel.com',`"550 Mail from " $`'&{client_addr} "
refused - see http://psbl.surriel.com/'")dnl
FEATURE(`dnsbl', `dnsbl.sorbs.net', `"550 Mail from " $`'&{client_addr} "
refused - see http://dnsbl.sorbs.net/'")dnl
you will smile with glee seeing each connection blocked.
oh yea do research into each one. i dont use them all atm.
also check spamassassin, razor2, dcc.
procmail too. or maildrop.
amavisd and the uvscan binary.
i wish i could explain more, but understand how to set
up all that crap and you could sell spam/virus solutions.
m
> Thanks,
> Olga
>
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